Generating a Random Number

This API is used to generate an 8-bit to 8,192-bit random number.

For details, see Calling APIs.

POST /v1.0/{project_id}/kms/gen-random

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
random_data_length	Yes	String	Bit length of a random number. The value must be a multiple of 8 and ranges from 8 to 8192, for example, 512.
sequence	No	String	A 36-byte serial number of a request message, for example, 919c82d4-8046-4722-9094-35c3c6524cff

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
random_data	String	Random number in hexadecimal format. Two characters represent 1 byte. The length of the random number must be the same as that of the user input parameter random_data_length.

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
error	Object	Error message

**Table 6** ErrorDetail
Parameter	Type	Description
error_code	String	Error code returned by the error request
error_msg	String	Error information returned by the error request

Status code: 401

**Table 7** Response body parameters
Parameter	Type	Description
error	Object	Error message

**Table 8** ErrorDetail
Parameter	Type	Description
error_code	String	Error code returned by the error request
error_msg	String	Error information returned by the error request

Status code: 403

**Table 9** Response body parameters
Parameter	Type	Description
error	Object	Error message

**Table 10** ErrorDetail
Parameter	Type	Description
error_code	String	Error code returned by the error request
error_msg	String	Error information returned by the error request

Status code: 404

**Table 11** Response body parameters
Parameter	Type	Description
error	Object	Error message

**Table 12** ErrorDetail
Parameter	Type	Description
error_code	String	Error code returned by the error request
error_msg	String	Error information returned by the error request

Status code: 500

**Table 13** Response body parameters
Parameter	Type	Description
error	Object	Error message

**Table 14** ErrorDetail
Parameter	Type	Description
error_code	String	Error code returned by the error request
error_msg	String	Error information returned by the error request

Status code: 502

**Table 15** Response body parameters
Parameter	Type	Description
error	Object	Error message

**Table 16** ErrorDetail
Parameter	Type	Description
error_code	String	Error code returned by the error request
error_msg	String	Error information returned by the error request

Status code: 504

**Table 17** Response body parameters
Parameter	Type	Description
error	Object	Error message

**Table 18** ErrorDetail
Parameter	Type	Description
error_code	String	Error code returned by the error request
error_msg	String	Error information returned by the error request

Generate a 512-bit random number.

{
  "random_data_length" : "512"
}

Status code: 200

Request succeeded.

{
  "random_data" : "5791C223E87120BE4B98D168F47A58BB2A88834EEADC"
}

Status Code	Description
200	Request succeeded.
400	Invalid request parameters.
401	Username and password are required for the requested page.
403	Authentication failed.
404	The resource does not exist.
500	Internal service error.
502	Failed to complete the request. The server receives an invalid response from the upstream server.
504	Gateway timed out.